ChemTable is a freeware Periodic Table application.
The program is quite straightforward to use. Tapping on any of the element boxes in the Periodic Table will bring up a dialog showing a list of physical/chemical properties.

In the Options menu, you can choose to display either element symbols or atomic numbers in the table. You can also select a subset of the elements for display (Transition Metals, Halogens, Noble Gases, etc).

Only half of the Periodic Table can be viewed at a time. To switch between the two sections, click on the left or right arrow buttons.